LazyGull is a free UCI chess engine derived from Gull 3. Compared to Gull, LazyGull implements the following new features:
- Syzygy Tablebase support;
- LazySMP implementation;
- PDEP Bitboards for modern CPUs;
- Bug fixes; and
- Portable to Windows, Linux and MacOSX.
To build simply run the following commands in the src directory:
make -f Makefile.linux
make -f Makefile.windows
And follow the instructions.
Pre-built binaries are available here: https://github.com/basil00/Gull/releases
The original Gull 3 source code is "public domain". New modifications are released under the MIT License.